Answer:
5
Step-by-step explanation:
8−(−9)−16−(−4)
=5
<span> we know that the 90 percentile in Z-score is ≈ 1.28 then,
=136 ± 1.28(13.8)
=(118.336 , 153.664)
</span>hope it helps
204
71:35=2
2 goes on the top
2x35=70
71-70=1
then carry them down 14
14:35=0
Carry it up it should be 20 up there now
Carry the 0 from the 7140 down to make it 140
140:35=4
Then carry that 4 up and your answer is 204
49 x 0.35=17.15. There are 17 classrooms total or 17.15
I think the answer is 8.7332602....I hope I helped!
